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<pre><span class="sourceLineNo">001</span>package org.teapot.db.orm;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import org.teapot.db.orm.mdl.MdlColumn;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import org.teapot.db.orm.mdl.MdlTable;<a name="line.4"></a>
<span class="sourceLineNo">005</span>import org.teapot.db.TeapotDb;<a name="line.5"></a>
<span class="sourceLineNo">006</span>import org.teapot.db.TypeJavaDb;<a name="line.6"></a>
<span class="sourceLineNo">007</span>import org.w3c.dom.Attr;<a name="line.7"></a>
<span class="sourceLineNo">008</span>import org.w3c.dom.Document;<a name="line.8"></a>
<span class="sourceLineNo">009</span>import org.w3c.dom.Element;<a name="line.9"></a>
<span class="sourceLineNo">010</span>import org.w3c.dom.NodeList;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import org.xml.sax.SAXException;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.io.File;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.io.IOException;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.util.ArrayList;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.List;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import javax.xml.parsers.DocumentBuilder;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import javax.xml.parsers.DocumentBuilderFactory;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import javax.xml.parsers.ParserConfigurationException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import javax.xml.transform.dom.DOMSource;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import javax.xml.transform.OutputKeys;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import javax.xml.transform.stream.StreamResult;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import javax.xml.transform.Transformer;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import javax.xml.transform.TransformerException;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import javax.xml.transform.TransformerFactory;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>public class TeapotOrmXml {<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>  public static void main(String[] args) {<a name="line.30"></a>
<span class="sourceLineNo">031</span>    writeXml();<a name="line.31"></a>
<span class="sourceLineNo">032</span><a name="line.32"></a>
<span class="sourceLineNo">033</span>  }<a name="line.33"></a>
<span class="sourceLineNo">034</span><a name="line.34"></a>
<span class="sourceLineNo">035</span>  /**<a name="line.35"></a>
<span class="sourceLineNo">036</span>   * 通过XML读取表信息.<a name="line.36"></a>
<span class="sourceLineNo">037</span>   * @param fileName XML<a name="line.37"></a>
<span class="sourceLineNo">038</span>   * @return 表信息<a name="line.38"></a>
<span class="sourceLineNo">039</span>   * @since 0.0.1<a name="line.39"></a>
<span class="sourceLineNo">040</span>   */<a name="line.40"></a>
<span class="sourceLineNo">041</span>  public static List&lt;MdlTable&gt; readXmlFile(String fileName) {<a name="line.41"></a>
<span class="sourceLineNo">042</span>    DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();<a name="line.42"></a>
<span class="sourceLineNo">043</span>    Document document = null;<a name="line.43"></a>
<span class="sourceLineNo">044</span>    try {<a name="line.44"></a>
<span class="sourceLineNo">045</span>      //DOM parser instance<a name="line.45"></a>
<span class="sourceLineNo">046</span>      DocumentBuilder builder = builderFactory.newDocumentBuilder();<a name="line.46"></a>
<span class="sourceLineNo">047</span>      //parse an XML file into a DOM tree<a name="line.47"></a>
<span class="sourceLineNo">048</span>      document = builder.parse(new File(fileName));<a name="line.48"></a>
<span class="sourceLineNo">049</span>    } catch (ParserConfigurationException e) {<a name="line.49"></a>
<span class="sourceLineNo">050</span>      e.printStackTrace();<a name="line.50"></a>
<span class="sourceLineNo">051</span>    } catch (SAXException e) {<a name="line.51"></a>
<span class="sourceLineNo">052</span>      e.printStackTrace();<a name="line.52"></a>
<span class="sourceLineNo">053</span>    } catch (IOException e) {<a name="line.53"></a>
<span class="sourceLineNo">054</span>      e.printStackTrace();<a name="line.54"></a>
<span class="sourceLineNo">055</span>    }<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span>    //get root element<a name="line.57"></a>
<span class="sourceLineNo">058</span>    Element rootElement = document.getDocumentElement();<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>    List&lt;MdlTable&gt; result = new ArrayList&lt;MdlTable&gt;();<a name="line.60"></a>
<span class="sourceLineNo">061</span>    NodeList nodeList = rootElement.getElementsByTagName("table");<a name="line.61"></a>
<span class="sourceLineNo">062</span>    if (nodeList != null) {<a name="line.62"></a>
<span class="sourceLineNo">063</span>      for (int i = 0 ; i &lt; nodeList.getLength(); i ++)  {<a name="line.63"></a>
<span class="sourceLineNo">064</span>        Element element = (Element)nodeList.item(i);<a name="line.64"></a>
<span class="sourceLineNo">065</span>        String name = element.getAttribute("name");<a name="line.65"></a>
<span class="sourceLineNo">066</span>        String type = element.getAttribute("type");<a name="line.66"></a>
<span class="sourceLineNo">067</span>        System.out.println(name + "," + type);<a name="line.67"></a>
<span class="sourceLineNo">068</span>        MdlTable mdlTable = new MdlTable();<a name="line.68"></a>
<span class="sourceLineNo">069</span>        mdlTable.setTableName(name.toUpperCase());<a name="line.69"></a>
<span class="sourceLineNo">070</span>        ArrayList&lt;MdlColumn&gt; colmuns = new ArrayList&lt;MdlColumn&gt;();<a name="line.70"></a>
<span class="sourceLineNo">071</span>        NodeList subNodeList = element.getElementsByTagName("column");<a name="line.71"></a>
<span class="sourceLineNo">072</span>        if (subNodeList != null) {<a name="line.72"></a>
<span class="sourceLineNo">073</span>          for (int j = 0 ; j &lt; subNodeList.getLength(); j ++)  {<a name="line.73"></a>
<span class="sourceLineNo">074</span>            Element elem = (Element)subNodeList.item(j);<a name="line.74"></a>
<span class="sourceLineNo">075</span>            String columnName = elem.getAttribute("name");<a name="line.75"></a>
<span class="sourceLineNo">076</span>            String typeName = elem.getAttribute("type");<a name="line.76"></a>
<span class="sourceLineNo">077</span>            System.out.println(columnName + "," + typeName);<a name="line.77"></a>
<span class="sourceLineNo">078</span>            MdlColumn col = new MdlColumn();<a name="line.78"></a>
<span class="sourceLineNo">079</span>            col.setColumnName(columnName);<a name="line.79"></a>
<span class="sourceLineNo">080</span>            col.setTypeName(typeName);<a name="line.80"></a>
<span class="sourceLineNo">081</span>            col.setTypeNameJava(<a name="line.81"></a>
<span class="sourceLineNo">082</span>                TypeJavaDb.getTypeJava(TeapotDb.getInstance().getDbType()).getJavaType(typeName));<a name="line.82"></a>
<span class="sourceLineNo">083</span>            colmuns.add(col);<a name="line.83"></a>
<span class="sourceLineNo">084</span>          }<a name="line.84"></a>
<span class="sourceLineNo">085</span>        }<a name="line.85"></a>
<span class="sourceLineNo">086</span>        mdlTable.setColmuns(colmuns);<a name="line.86"></a>
<span class="sourceLineNo">087</span>        result.add(mdlTable);<a name="line.87"></a>
<span class="sourceLineNo">088</span>      }<a name="line.88"></a>
<span class="sourceLineNo">089</span>    }<a name="line.89"></a>
<span class="sourceLineNo">090</span>    return result;<a name="line.90"></a>
<span class="sourceLineNo">091</span>  }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span>  /**<a name="line.93"></a>
<span class="sourceLineNo">094</span>   * writeXml.<a name="line.94"></a>
<span class="sourceLineNo">095</span>   */<a name="line.95"></a>
<span class="sourceLineNo">096</span>  public static void writeXml() {<a name="line.96"></a>
<span class="sourceLineNo">097</span>    List&lt;MdlTable&gt; list = TeapotOrm.INSTANCE.getTableInfo();<a name="line.97"></a>
<span class="sourceLineNo">098</span>    if (list == null) {<a name="line.98"></a>
<span class="sourceLineNo">099</span>      return ;<a name="line.99"></a>
<span class="sourceLineNo">100</span>    }<a name="line.100"></a>
<span class="sourceLineNo">101</span>    int max = list.size();<a name="line.101"></a>
<span class="sourceLineNo">102</span>    try {<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>      DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();<a name="line.104"></a>
<span class="sourceLineNo">105</span>      DocumentBuilder docBuilder = docFactory.newDocumentBuilder();<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span>      // root elements<a name="line.107"></a>
<span class="sourceLineNo">108</span>      Document doc = docBuilder.newDocument();<a name="line.108"></a>
<span class="sourceLineNo">109</span>      Element rootElement = doc.createElement("database");<a name="line.109"></a>
<span class="sourceLineNo">110</span>      doc.appendChild(rootElement);<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>      Attr reattr = doc.createAttribute("name");<a name="line.112"></a>
<span class="sourceLineNo">113</span>      reattr.setValue("default");<a name="line.113"></a>
<span class="sourceLineNo">114</span>      rootElement.setAttributeNode(reattr);<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>      for (int idx = 0; idx &lt; max; idx ++) {<a name="line.116"></a>
<span class="sourceLineNo">117</span>        MdlTable mdlTable = list.get(idx);<a name="line.117"></a>
<span class="sourceLineNo">118</span>        // table elements<a name="line.118"></a>
<span class="sourceLineNo">119</span>        Element table = doc.createElement("table");<a name="line.119"></a>
<span class="sourceLineNo">120</span>        rootElement.appendChild(table);<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>        // set attribute to table element<a name="line.122"></a>
<span class="sourceLineNo">123</span>        Attr attr = doc.createAttribute("name");<a name="line.123"></a>
<span class="sourceLineNo">124</span>        attr.setValue(mdlTable.getTableName());<a name="line.124"></a>
<span class="sourceLineNo">125</span>        table.setAttributeNode(attr);<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>        // shorten way<a name="line.127"></a>
<span class="sourceLineNo">128</span>        // table.setAttribute("id", "1");<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>        List&lt;MdlColumn&gt; mdlColumns = mdlTable.getColmuns();<a name="line.130"></a>
<span class="sourceLineNo">131</span>        if (mdlColumns != null) {<a name="line.131"></a>
<span class="sourceLineNo">132</span>          int may = mdlColumns.size();<a name="line.132"></a>
<span class="sourceLineNo">133</span>          for (int idy = 0; idy &lt; may; idy ++) {<a name="line.133"></a>
<span class="sourceLineNo">134</span>            MdlColumn mdlColumn = mdlColumns.get(idy);<a name="line.134"></a>
<span class="sourceLineNo">135</span>            System.out.println(mdlColumn);<a name="line.135"></a>
<span class="sourceLineNo">136</span>            // column elements<a name="line.136"></a>
<span class="sourceLineNo">137</span>            Element column = doc.createElement("column");<a name="line.137"></a>
<span class="sourceLineNo">138</span>            // column.appendChild(doc.createTextNode("yong"));<a name="line.138"></a>
<span class="sourceLineNo">139</span>            table.appendChild(column);<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>            // set attribute to column element<a name="line.141"></a>
<span class="sourceLineNo">142</span>            Attr attrName = doc.createAttribute("name");<a name="line.142"></a>
<span class="sourceLineNo">143</span>            attrName.setValue(mdlColumn.getColumnName());<a name="line.143"></a>
<span class="sourceLineNo">144</span>            column.setAttributeNode(attrName);<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span>            // set attribute to column element<a name="line.146"></a>
<span class="sourceLineNo">147</span>            Attr attrType = doc.createAttribute("type");<a name="line.147"></a>
<span class="sourceLineNo">148</span>            attrType.setValue(mdlColumn.getTypeName());<a name="line.148"></a>
<span class="sourceLineNo">149</span>            column.setAttributeNode(attrType);<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>            // set attribute to column element<a name="line.151"></a>
<span class="sourceLineNo">152</span>            Attr attrSize = doc.createAttribute("size");<a name="line.152"></a>
<span class="sourceLineNo">153</span>            attrSize.setValue(mdlColumn.getColumnSize());<a name="line.153"></a>
<span class="sourceLineNo">154</span>            column.setAttributeNode(attrSize);<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>            // set attribute to column element<a name="line.156"></a>
<span class="sourceLineNo">157</span>            Attr attrRequired = doc.createAttribute("required");<a name="line.157"></a>
<span class="sourceLineNo">158</span>            attrRequired.setValue(String.valueOf("NO".equals(mdlColumn.getIsNullable())));<a name="line.158"></a>
<span class="sourceLineNo">159</span>            column.setAttributeNode(attrRequired);<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span>            // primaryKey<a name="line.161"></a>
<span class="sourceLineNo">162</span>          }<a name="line.162"></a>
<span class="sourceLineNo">163</span>        }<a name="line.163"></a>
<span class="sourceLineNo">164</span>      }<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span>      // write the content into xml file<a name="line.166"></a>
<span class="sourceLineNo">167</span>      TransformerFactory transformerFactory = TransformerFactory.newInstance();<a name="line.167"></a>
<span class="sourceLineNo">168</span>      Transformer transformer = transformerFactory.newTransformer();<a name="line.168"></a>
<span class="sourceLineNo">169</span>      // 换行和缩进，默认是没有的。<a name="line.169"></a>
<span class="sourceLineNo">170</span>      transformer.setOutputProperty(OutputKeys.INDENT, "yes");<a name="line.170"></a>
<span class="sourceLineNo">171</span>      transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span>      DOMSource source = new DOMSource(doc);<a name="line.173"></a>
<span class="sourceLineNo">174</span>      StreamResult result = new StreamResult(new File("./file.xml"));<a name="line.174"></a>
<span class="sourceLineNo">175</span>      StreamResult resultc =  new StreamResult(System.out);<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>      // Output to console for testing<a name="line.177"></a>
<span class="sourceLineNo">178</span>      // StreamResult result = new StreamResult(System.out);<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span>      transformer.transform(source, result);<a name="line.180"></a>
<span class="sourceLineNo">181</span>      transformer.transform(source, resultc);<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span>      System.out.println("File saved!");<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>    } catch (ParserConfigurationException pce) {<a name="line.185"></a>
<span class="sourceLineNo">186</span>      pce.printStackTrace();<a name="line.186"></a>
<span class="sourceLineNo">187</span>    } catch (TransformerException tfe) {<a name="line.187"></a>
<span class="sourceLineNo">188</span>      tfe.printStackTrace();<a name="line.188"></a>
<span class="sourceLineNo">189</span>    }<a name="line.189"></a>
<span class="sourceLineNo">190</span>  }<a name="line.190"></a>
<span class="sourceLineNo">191</span>}<a name="line.191"></a>




























































</pre>
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